mcs/class/System.Windows.Forms/System.Windows.Forms/DataGridCell.cs

   1 //
   2 // System.Windows.Forms.DataGridCell.cs
   3 //
   4 // Author:
   5 //   Dennis Hayes (dennish@raytek.com)
   6 //
   7 // (C) 2002 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32
  33 namespace System.Windows.Forms {
  34
  35         public struct DataGridCell {
  36
  37                 private int rownumber;
  38                 private int columnnumber;
  39
  40                 // -----------------------
  41                 // Public Constructor
  42                 // -----------------------
  43
  44                 /// <summary>
  45                 ///
  46                 /// </summary>
  47                 ///
  48                 /// <remarks>
  49                 ///
  50                 /// </remarks>
  51
  52                 public DataGridCell (int r, int c)
  53                 {
  54                         rownumber = r;
  55                         columnnumber = c;
  56                 }
  57
  58                 // -----------------------
  59                 // Public Shared Members
  60                 // -----------------------
  61
  62                 /// <remarks>
  63                 ///     Compares two DataGridCell objects. The return value is
  64                 ///     based on the equivalence of the RowNumber and ColumnNumber properties of the two objects.
  65                 /// </remarks>
  66
  67                 public static bool operator == (DataGridCell dgc_a,
  68                         DataGridCell dgc_b) {
  69
  70                         return ((dgc_a.rownumber == dgc_b.rownumber) &&
  71                                 (dgc_a.columnnumber == dgc_b.columnnumber));
  72                 }
  73
  74                 /// <summary>
  75                 ///     Inequality Operator
  76                 /// </summary>
  77                 ///
  78                 /// <remarks>
  79                 ///     Compares two DataGridCell objects. The return value is
  80                 ///     based on the equivalence of the RowNumber and ColumnNumber properties of the two objects.
  81                 /// </remarks>
  82                 public static bool operator != (DataGridCell dgc_a,
  83                         DataGridCell dgc_b) {
  84                         return ((dgc_a.rownumber != dgc_b.rownumber) ||
  85                                 (dgc_a.columnnumber != dgc_b.columnnumber));
  86                 }
  87
  88                 // -----------------------
  89                 // Public Instance Members
  90                 // -----------------------
  91
  92
  93                 public int RowNumber {
  94                         get{
  95                                 return rownumber;
  96                         }
  97                         set{
  98                                 rownumber = value;
  99                         }
 100                 }
 101
 102                 public int ColumnNumber {
 103                         get{
 104                                 return columnnumber;
 105                         }
 106                         set{
 107                                 columnnumber = value;
 108                         }
 109                 }
 110
 111                 /// <summary>
 112                 ///     Equals Method
 113                 /// </summary>
 114                 ///
 115                 /// <remarks>
 116                 ///     Checks equivalence of this DataGridCell and another object.
 117                 /// </remarks>
 118
 119                 public override bool Equals (object o)
 120                 {
 121                         if (!(o is DataGridCell))
 122                                 return false;
 123
 124                         return (this == (DataGridCell) o);
 125                 }
 126
 127                 /// <summary>
 128                 ///     GetHashCode Method
 129                 /// </summary>
 130                 ///
 131                 /// <remarks>
 132                 ///     Calculates a hashing value.
 133                 /// </remarks>
 134
 135                 public override int GetHashCode ()
 136                 {
 137                         return (int)( rownumber ^ columnnumber);
 138                 }
 139
 140                 /// <summary>
 141                 ///     ToString Method
 142                 /// </summary>
 143                 ///
 144                 /// <remarks>
 145                 ///     Formats the DataGridCell as a string.
 146                 /// </remarks>
 147
 148                 public override string ToString ()
 149                 {
 150                         return String.Format ("[{0},{1}]", rownumber, columnnumber );
 151                 }
 152         }
 153 }